Question: Who is the human biblical figure for the significant person of Saul?
Paraphrase: Who is Saul's significant person's human biblical figure?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q28730 wdt:P3342 ?obj . ?obj wdt:P31 wd:Q20643955 } 
Answer: Witch of Endor, Samuel